Observability

Whenever I start planning a new message-driven architecture that spans several software teams, I quickly realize how many moving parts there are. To keep my head clear, I’ve put together a personal checklist of things I always try to cover. It’s not meant to be a formal rulebook, but more of a practical reminder of what usually makes the difference between smooth collaboration and endless headaches. Figure 1. Message Driven Architecture Article Cover Image...

The USE Methodology USE stands for Utilization, Saturation, and Errors. Developed by Brendan Gregg, it’s a low-level diagnostic tool for infrastructure and system resources. Utilization – How much of a resource is used? (e.g., 70% CPU) Saturation – Is the system over capacity? (e.g., CPU run queue) Errors – Are there hardware or system faults? (e.g., disk errors) Best for: Bottleneck analysis on servers, network, disk, memory Source: https://grafana.com/docs/grafana/latest/dashboards/build-dashboards/best-practices/ The RED Methodology RED focuses on service-level performance and is tailored for microservices and HTTP-based systems. ...